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java.lang.Object | +--java.util.Date
Constructor Summary | |
Date()
Allocates a Date object and initializes it to
represent the current time specified number of milliseconds since the
standard base time known as "the epoch", namely January 1,
1970, 00:00:00 GMT. |
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Date(long date)
Allocates a Date object and initializes it to
represent the specified number of milliseconds since the
standard base time known as "the epoch", namely January 1,
1970, 00:00:00 GMT. |
Method Summary | |
boolean |
equals(Object obj)
Compares two dates for equality. |
long |
getTime()
Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this Date object. |
int |
hashCode()
Returns a hash code value for this object. |
void |
setTime(long time)
Sets this Date object to represent a point in time that is time milliseconds after January 1, 1970 00:00:00 GMT. |
Methods inherited from class java.lang.Object |
getClass, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public Date()
Date
object and initializes it to
represent the current time specified number of milliseconds since the
standard base time known as "the epoch", namely January 1,
1970, 00:00:00 GMT.System.currentTimeMillis()
public Date(long date)
Date
object and initializes it to
represent the specified number of milliseconds since the
standard base time known as "the epoch", namely January 1,
1970, 00:00:00 GMT.date
- the milliseconds since January 1, 1970, 00:00:00 GMT.System.currentTimeMillis()
Method Detail |
public long getTime()
setTime(long)
public void setTime(long time)
time
- the number of milliseconds.getTime()
public boolean equals(Object obj)
true
if and only if the argument is
not null
and is a Date
object that
represents the same point in time, to the millisecond, as this object.
Thus, two Date
objects are equal if and only if the
getTime
method returns the same long
value for both.
equals
in class Object
obj
- the object to compare with.true
if the objects are the same;
false
otherwise.getTime()
public int hashCode()
getTime()
method. That is, the hash code is the value of the expression:
(int)(this.getTime()^(this.getTime() >>> 32))
hashCode
in class Object
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